SEC Form 4 · Updated Daily
RBBN
— RIBBON COMMUNICATIONS INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| McClelland Bruce William | Director · Officer | 2,909,454 | 2026-05-15 | F |
| GRAYSON BRUNS H | Director | 840,270 | 2026-07-15 | A |
| Bucci Sam | Officer | 599,271 | 2026-05-15 | F |
| Marmurek Eric S | Officer | 543,706 | 2026-05-15 | F |
| Macken Patrick W | Officer | 482,146 | 2026-05-15 | F |
| INFANTE BEATRIZ V | Director | 385,724 | 2026-06-16 | M |
| EWING R STEWART JR | Director | 239,891 | 2026-06-16 | M |
| SHANI SHAUL | Director | 237,718 | 2026-07-15 | A |
| Tamone Tanya | Director | 223,300 | 2026-06-16 | M |
| Mair Scott | Director | 208,138 | 2026-06-16 | M |
| Townsend John Raymond | Officer | 93,309 | 2026-04-15 | F |
| Redington Dan | Officer | 0 | 2025-09-08 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-07-15 | SHANI SHAUL | Grant / award | 11,752 | — | 237,718 |
| 2026-07-15 | GRAYSON BRUNS H | Grant / award | 14,423 | — | 840,270 |
| 2026-06-16 | EWING R STEWART JR | Option exercise (derivative) | 42,500 | $0.00 | 0 |
| 2026-06-16 | EWING R STEWART JR | Option exercise | 42,500 | — | 239,891 |
| 2026-06-16 | GRAYSON BRUNS H | Option exercise (derivative) | 42,500 | $0.00 | 0 |
| 2026-06-16 | GRAYSON BRUNS H | Option exercise | 42,500 | — | 825,847 |
| 2026-06-16 | INFANTE BEATRIZ V | Option exercise (derivative) | 42,500 | $0.00 | 0 |
| 2026-06-16 | INFANTE BEATRIZ V | Option exercise | 42,500 | — | 385,724 |
| 2026-06-16 | SHANI SHAUL | Option exercise (derivative) | 42,500 | $0.00 | 0 |
| 2026-06-16 | SHANI SHAUL | Option exercise | 42,500 | — | 225,966 |
| 2026-06-16 | Mair Scott | Option exercise (derivative) | 67,500 | $0.00 | 0 |
| 2026-06-16 | Mair Scott | Option exercise | 67,500 | — | 208,138 |
| 2026-06-16 | Tamone Tanya | Option exercise (derivative) | 42,500 | $0.00 | 0 |
| 2026-06-16 | Tamone Tanya | Option exercise | 42,500 | — | 223,300 |
| 2026-06-15 | EWING R STEWART JR | Grant / award (derivative) | 63,197 | $0.00 | 63,197 |
| 2026-06-15 | GRAYSON BRUNS H | Grant / award (derivative) | 63,197 | $0.00 | 63,197 |
| 2026-06-15 | INFANTE BEATRIZ V | Grant / award (derivative) | 63,197 | $0.00 | 63,197 |
| 2026-06-15 | SHANI SHAUL | Grant / award (derivative) | 63,197 | $0.00 | 63,197 |
| 2026-06-15 | Mair Scott | Grant / award (derivative) | 63,197 | $0.00 | 63,197 |
| 2026-06-15 | SILVER LOUIS | Grant / award (derivative) | 63,197 | $0.00 | 63,197 |
| 2026-06-15 | Tamone Tanya | Grant / award (derivative) | 63,197 | $0.00 | 63,197 |
| 2026-06-15 | Macken Patrick W | Grant / award (derivative) | 65,000 | $0.00 | 65,000 |
| 2026-06-15 | Macken Patrick W | Grant / award (derivative) | 97,500 | $0.00 | 97,500 |
| 2026-06-15 | Macken Patrick W | Grant / award (derivative) | 162,500 | $0.00 | 162,500 |
| 2026-06-15 | Marmurek Eric S | Grant / award (derivative) | 60,000 | $0.00 | 60,000 |
| 2026-06-15 | Marmurek Eric S | Grant / award (derivative) | 90,000 | $0.00 | 90,000 |
| 2026-06-15 | Marmurek Eric S | Grant / award (derivative) | 150,000 | $0.00 | 150,000 |
| 2026-06-15 | McCaffery Stephen J. | Grant / award (derivative) | 80,000 | $0.00 | 80,000 |
| 2026-06-15 | McCaffery Stephen J. | Grant / award (derivative) | 120,000 | $0.00 | 120,000 |
| 2026-06-15 | McCaffery Stephen J. | Grant / award (derivative) | 200,000 | $0.00 | 200,000 |
| 2026-06-15 | Bucci Sam | Grant / award (derivative) | 100,000 | $0.00 | 100,000 |
| 2026-06-15 | Bucci Sam | Grant / award (derivative) | 150,000 | $0.00 | 150,000 |
| 2026-06-15 | Bucci Sam | Grant / award (derivative) | 250,000 | $0.00 | 250,000 |
| 2026-05-15 | McClelland Bruce William | Option exercise (derivative) | 1,562,500 | $0.00 | 1,562,500 |
| 2026-05-15 | McClelland Bruce William | Option exercise (derivative) | 125,003 | $0.00 | 249,997 |
| 2026-05-15 | McClelland Bruce William | Option exercise (derivative) | 237,342 | $0.00 | 237,342 |
| 2026-05-15 | McClelland Bruce William | Option exercise (derivative) | 173,593 | $0.00 | 0 |
| 2026-05-15 | McClelland Bruce William | Tax withholding | 614,843 | $2.63 | 2,909,454 |
| 2026-05-15 | McClelland Bruce William | Option exercise | 1,562,500 | — | 3,524,297 |
| 2026-05-15 | McClelland Bruce William | Tax withholding | 49,188 | $2.63 | 1,961,797 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.